Small Extended Generalized Quadrangles

P. J. Cameron*, P. H. Fisher

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


We consider extensions of generalized quadrangles with parameters (s, t), and establish lower bounds (in terms of s and t) for the number of points, sometimes under additional hypotheses. We also study the structure of geometries attaining these bounds, give several constructions and some uniqueness proofs, and examine the question of further extensions.

Original languageEnglish
Pages (from-to)403-413
Number of pages11
JournalEuropean Journal of Combinatorics
Issue number5
Publication statusPublished - 1 Jan 1990


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